Infiltration

The uncontrolled or unintended movement of outdoor air into a building through cracks, gaps, and openings in the building envelope.

Approved Document B

Stay compliant with fire safety regulations outlined in Approved Document B. Guidelines for building design, construction, and fire protection measures.

Heating System Efficiency

Heating system efficiency is critical for maintaining comfort and reducing energy consumption. Learn about factors influencing efficiency, types of heating systems, and how optimising efficiency results in lower heating costs and reduced environmental impact.

Airtightness Index

The Airtightness Index quantifies the level of airtightness and air leakage in buildings. Discover how this measure influences energy efficiency, identifies areas of concern, and guides air sealing efforts for improved building performance.

Building Tightness Limit (BTL)

The Building Tightness Limit (BTL) is key to energy efficiency and occupant comfort. Discover its significance, testing methods, and benefits. Enhance energy performance by maintaining proper building tightness.